494127091 has 4 divisors (see below), whose sum is σ = 520133800. Its totient is φ = 468120384.

The previous prime is 494127089. The next prime is 494127097. The reversal of 494127091 is 190721494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494127091 - 2¹ = 494127089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494127091.

It is not an unprimeable number, because it can be changed into a prime (494127097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13003326 + ... + 13003363.

It is an arithmetic number, because the mean of its divisors is an integer number (130033450).

Almost surely, 2^494127091 is an apocalyptic number.

494127091 is a deficient number, since it is larger than the sum of its proper divisors (26006709).

494127091 is a wasteful number, since it uses less digits than its factorization.

494127091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26006708.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 494127091 is about 22228.9696342408. The cubic root of 494127091 is about 790.5807250663.

The spelling of 494127091 in words is "four hundred ninety-four million, one hundred twenty-seven thousand, ninety-one".